Question

a substance that is made up of just one kind of atom is called an ____________.

□ periodic table

□ element

□ proton

□ compound

rewatch

Explanation:

An element is defined as a pure substance composed of only one type of atom. The Periodic Table is a tool listing elements, a proton is a subatomic particle, and a compound consists of multiple types of atoms bonded together.

Answer:

Element